What is the constant of proportionality between y and x in the graph

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Can someone me with these two circle theorem questions asap?